Romania • NPA 031
☎️ Central Office Exchange (NXX)
+40 (31) 581 Exchange Code
Technical registry directory for telephone subscriber numbers starting with +40 (31) 581. Central office block assigned to Non-Geographical Services, Romania.
Standard Subscriber Format
+40 (31) 581-XXXX
Telecom Carrier
Local Network Carrier
Area Code (NPA)
031
Primary Location
Non-Geographical Services
Service Type
Landline
📋 Central Office Exchange 581 Routing Details
The 581 exchange code (central office prefix) operates within the 031 Numbering Plan Area (NPA) servicing Non-Geographical Services, Romania. All assigned subscriber lines in this block follow ITU-T E.164 national routing protocols.
Telecommunication services within the +40 (31) 581 prefix range are primarily provisioned by Local Network Carrier, delivering local landline voice lines and network routing.
🌐 Dialing Instructions
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Domestic Calls: Dial
031 581-1234or local national format. -
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International Calls: Dial
+40 31 581-1234from outside Romania. -
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E.164 Standard:
+4031581XXXX
📞 Nearby Exchanges in Area Code 031
View All Area Code 031 Exchanges ›❓ Frequently Asked Questions
What area code is +40 (31) 581?
Phone numbers starting with +40 (31) 581 belong to the 031 area code in Non-Geographical Services, Romania, routed via exchange block 581.
How do I call a 581 exchange number from abroad?
To call this prefix internationally, dial your local exit code (e.g., 011 in North America or + globally), followed by +40, then 31, and the subscriber number.
Which provider operates the 581 prefix in Non-Geographical Services?
Telecom services for the 581 exchange block in Non-Geographical Services are primarily assigned to Local Network Carrier for Landline connections.